<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<button onclick="goSmallProgram()">去小程序</button>
<script type="text/javascript">
  function goSmallProgram(){
    var params = {
      uid: "User199564885212",
      couponCode: "wxx1246886643"
    }
    window.location.href = "http://test.mpay8.cn/pages/20231016/cNSPjfhm5c1B9Rfb.html?params="+ params;
  }
</script>
</body>
</html>